Being loopy is the state of being mentally deranged, possibly out of one's mind. Calling someone loopy is to suggest that the person is in some form of daze. Therefore their speech or acts seem incoherent and disconnected.

If one of your friends began committing bizarre acts, such as expressing an unmistakably wrong opinion, you would describe them as loopy.

The term loopy also doesn't need to describe a person, as inanimate objects or animals that perform seemingly peculiar acts could also be described as loopy.
"Our teacher told us the due date was tomorrow, despite it being next week."
"What a loopy fella."
by Traain August 12, 2021
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A dizzy but not-quite-dizzy sensation brought on by a variety of prescription and over-the-counter medications.
I took my meds this morning, and I've been loopy every sense.
by Rbd41 January 11, 2016
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Adj. describing a state of goofiness usually occurring after a long night of partying or any other activity that provokes sleep deprivation.
I'm so loopy I just can't stop laughing!
by Laura May 26, 2004
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when you are loopy, you are easily amused and laugh for a long time. loopiness usually occurs early in the morning such as 1am. being loopy can be from sleep deprivation, sugar, or just because you are. also, laughing for a long amount of time is the main symptom of being loopy. being loopy isn't bad but you may be judged if you are the only person loopy. being loopy is fun with a group of people such as friends.
*remembering this event*
catherine: CHLOE!!! SHADYYYY AHAHHUSDHDIK
chloe: OMG AHAA SHADYYY AHAHAJDBS

chloe and catherine now: o my we were so loopy that time when we lost it in the hallway after the all-nighter
by cloca-clola June 12, 2019
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When a girl friend zones a guy
I don’t know why Brandon keeps trying so hard with Felicia, she loopied him the day they met”
by 2z January 22, 2021
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A person, usually a female, that displays silly, eccentric, or inane behavior; ditsy.
"Did you go out with loopy last night?"

"Nah, she was too busy playing
'yu-gi-oh'."
by Neo June 13, 2003
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